Submission #889052

#	Time	Username	Problem	Language	Result	Execution time	Memory
889052		BBart888	Bitaro the Brave (JOI19_ho_t1)	C++14	0 / 100	0 ms	348 KiB

joi2019_ho_t1

#include <bits/stdc++.h>

using namespace std;

const int MAXN= 3e3 + 11;
using ll = long long;


int H,W;
string S[MAXN];
int cntI[MAXN];
int cntO[MAXN];
ll ans;

int main()
{
	cin.tie(0);
	cout.tie(0);
	
	cin >> H >> W;
	
	for(int i = 0;i<H;i++)
	{
		cin>>S[i];
	}
	
	
	for(int i =0;i<H;i++)
	{
		for(int j = 0;j<W;j++)
		{
			cntO[i]+=(S[i][j] == 'O');
			cntI[j]+=(S[i][j] == 'I');
		}
	}
	
	for(int i = 0;i<H;i++)
	{
		for(int j = 0;j<W;j++)
		{
			if(S[i][j] == 'J')
			{
				ans+=(cntO[i]*cntI[j]);
			}
		}
	}
	
	
	cout<<ans<<'\n';
	
	
	
	return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50